From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1255 invoked by alias); 20 Feb 2015 11:28:55 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 1160 invoked by uid 48); 20 Feb 2015 11:28:50 -0000 From: "ams at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/64491] [5 Regression] incorrect warning: loop exit may only be reached after undefined behavior Date: Fri, 20 Feb 2015 11:28:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: minor X-Bugzilla-Who: ams at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-02/txt/msg02250.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64491 --- Comment #10 from Andrew Stubbs --- I'm trying to look at this problem, but so far all my builds are failing. Probably I have some local cruft. In the meantime, the workaround is to use -Wno-aggressive-loop-optimizations, I think.